Home / 1,578,814.92-2,367,663.48-513,658.44

Finding the Fourth Proportional to 1,578,814.92, 2,367,663.48 and 513,658.44

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Solution

The fourth proportional to 1,578,814.92, 2,367,663.48 and 513,658.44 is: 770,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,814.92 : 2,367,663.48 = 513,658.44 : x
  2. Step 2: Convert to fraction form
    1,578,814.92/2,367,663.48 = 513,658.44/x
  3. Step 3: Cross multiply
    1,578,814.92x = 2,367,663.48 × 513,658.44
  4. Step 4: Simplify right side
    1,578,814.92x = 1,216,170,329,581.77
  5. Step 5: Solve for x
    x = 1,216,170,329,581.77/1,578,814.92
  6. Step 6: Final answer
    x = 770,305.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.